ergo
simple_sparse_mat.h
Go to the documentation of this file.
1 /* Ergo, version 3.8, a program for linear scaling electronic structure
2  * calculations.
3  * Copyright (C) 2019 Elias Rudberg, Emanuel H. Rubensson, Pawel Salek,
4  * and Anastasia Kruchinina.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  *
19  * Primary academic reference:
20  * Ergo: An open-source program for linear-scaling electronic structure
21  * calculations,
22  * Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, and Anastasia
23  * Kruchinina,
24  * SoftwareX 7, 107 (2018),
25  * <http://dx.doi.org/10.1016/j.softx.2018.03.005>
26  *
27  * For further information about Ergo, see <http://www.ergoscf.org>.
28  */
29 
37 #ifndef SIMPLE_SPARSE_MAT_HEADER
38 #define SIMPLE_SPARSE_MAT_HEADER
39 
40 #include "realtype.h"
41 
42 typedef struct {
43  int i;
44  int j;
48 
49 int spmat_multiply_matrices(const i_j_val_struct* A, int nnzA,
50  const i_j_val_struct* B, int nnzB,
51  i_j_val_struct* C, int M, int N);
52 
53 int spmat_sort_elements(i_j_val_struct* A, int nnzA);
54 
55 #endif
i_j_val_struct::j
int j
Definition: simple_sparse_mat.h:44
realtype.h
Definition of the main floating-point datatype used; the ergo_real type.
ergo_real
double ergo_real
Definition: realtype.h:69
compare_i_j_val_structs
static int compare_i_j_val_structs(const void *p1, const void *p2)
Definition: simple_sparse_mat.cc:43
spmat_multiply_matrices
int spmat_multiply_matrices(const i_j_val_struct *A, int nnzA, const i_j_val_struct *B, int nnzB, i_j_val_struct *C, int M, int N)
Definition: simple_sparse_mat.cc:81
B
#define B
i_j_val_struct::same_i_count
int same_i_count
Definition: simple_sparse_mat.h:45
simple_sparse_mat.h
Simple sparse matrix implementation.
A
#define A
spmat_multiply_matrices
int spmat_multiply_matrices(const i_j_val_struct *A, int nnzA, const i_j_val_struct *B, int nnzB, i_j_val_struct *C, int M, int N)
Definition: simple_sparse_mat.cc:81
i_j_val_struct::value
ergo_real value
Definition: simple_sparse_mat.h:46
spmat_sort_elements
int spmat_sort_elements(i_j_val_struct *A, int nnzA)
Definition: simple_sparse_mat.cc:60
spmat_sort_elements
int spmat_sort_elements(i_j_val_struct *A, int nnzA)
Definition: simple_sparse_mat.cc:60
i_j_val_struct::i
int i
Definition: simple_sparse_mat.h:43
i_j_val_struct
Definition: simple_sparse_mat.h:42